Because multiple tissues are non - viable , amputation of such areas is necessary.

因此切除坏死组织手术是必要的.

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Comparative recoveries of airborne fungus spores by viable and non - viable modes of volumetric collection.

中译:藉由可存活和不可存活的容量收集模式来收集散播空气中真菌孢子的回收率比较.

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